220778886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{26227}}^1$

素因数の和:26316

約数の個数: 32

約数和(自身を含む): 468327168

約数和(自身を除く): 247548282

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 366, 1403, 2806, 4209, 8418, 26227, 52454, 78681, 157362, 603221, 1206442, 1599847, 1809663, 3199694, 3619326, 4799541, 9599082, 36796481, 73592962, 110389443, 220778886]

約数ペア:

[(1, 220778886), (2, 110389443), (3, 73592962), (6, 36796481), (23, 9599082), (46, 4799541), (61, 3619326), (69, 3199694), (122, 1809663), (138, 1599847), (183, 1206442), (366, 603221), (1403, 157362), (2806, 78681), (4209, 52454), (8418, 26227)]